YEAR(S | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1920 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
1921 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
1922 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
1923 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
1924 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
1925 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
1926 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
1927 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | s | 4.50 | 36.50 | h | 135.50 | 405.00 | 962.00 | 1507.00 | |||||
1928 | 797.00 | 755.00 | 525.00 | 372.50 | 97.00 | 26.50 | 0.00 | 6.50 | 29.00 | 228.00 | 653.00 | 832.50 | 4322.00 | |||||||||||||
1929 | 1007.50 | 1022.50 | 561.50 | 224.50 | 151.00 | 0.00 | 0.00 | 0.00 | f | 45.50 | 219.00 | 874.00 | 819.00 | 4924.50 | ||||||||||||
1930 | 1232.50 | 480.50 | 682.50 | 147.00 | 71.50 | 0.00 | 0.00 | 0.00 | 19.50 | 280.00 | 535.00 | 914.50 | 4363.00 | |||||||||||||
1931 | 826.00 | 568.30 | a | 708.23 | e | 338.00 | 172.50 | 0.00 | 0.00 | 0.00 | 2.50 | 176.00 | 582.50 | 771.00 | 4145.03 | |||||||||||
1932 | 978.00 | 562.00 | 743.00 | 283.50 | 75.50 | 3.00 | 0.00 | 0.00 | 36.00 | 240.00 | 601.00 | 1147.00 | 4669.00 | |||||||||||||
1933 | 731.60 | a | 857.50 | 515.50 | 324.00 | 75.00 | 0.00 | 0.00 | 0.00 | 0.50 | 147.00 | 482.00 | 631.00 | 3764.10 | ||||||||||||
1934 | 785.50 | 657.50 | 530.50 | 193.50 | 49.00 | 0.00 | 0.00 | 0.00 | 42.50 | 84.00 | 445.00 | 791.50 | 3579.00 | |||||||||||||
1935 | 857.00 | 638.50 | 335.50 | 262.00 | 224.23 | a | 17.50 | 0.00 | 2.50 | 57.50 | 167.00 | 686.00 | 906.00 | 4153.73 | ||||||||||||
1936 | 1014.00 | 1044.50 | 445.00 | 281.00 | 52.00 | 0.50 | 0.00 | 0.00 | 107.50 | 404.50 | 0.00 | z | 898.50 | 4247.50 | ||||||||||||
1937 | 1256.50 | 792.50 | 745.00 | 0.00 | z | 5.00 | g | 6.50 | 0.00 | 0.00 | 10.00 | 194.00 | 559.50 | 846.50 | 4410.50 | |||||||||||
1938 | 773.93 | b | 385.00 | g | 351.50 | 343.50 | 106.00 | 0.00 | 0.00 | 0.00 | 10.50 | 163.50 | 684.00 | 805.00 | 3237.93 | |||||||||||
1939 | 792.00 | 929.00 | 545.00 | 295.00 | 67.00 | 0.00 | 0.00 | 0.00 | 24.50 | 192.50 | 603.00 | 804.50 | 4252.50 | |||||||||||||
1940 | 1401.00 | 772.50 | 572.50 | 323.50 | 52.00 | 8.00 | 0.00 | 0.00 | 27.50 | 104.50 | 687.50 | 784.00 | 4733.00 | |||||||||||||
1941 | 913.00 | 749.00 | 743.00 | 326.50 | 91.50 | 14.50 | 0.00 | 0.00 | 61.00 | 0.00 | z | 569.00 | 829.50 | 4297.00 | ||||||||||||
1942 | 998.50 | 845.50 | 662.50 | 283.00 | 169.50 | 13.00 | 0.00 | 0.00 | 71.50 | 222.00 | 478.00 | 846.00 | 4589.50 | |||||||||||||
1943 | 862.32 | a | 599.50 | 714.50 | 156.50 | 169.50 | 0.00 | 0.00 | 0.00 | 3.00 | 198.50 | 592.00 | 1114.50 | 4410.32 | ||||||||||||
1944 | 1129.00 | 723.50 | 656.00 | 390.50 | 102.00 | 5.00 | 1.00 | 0.00 | 29.50 | 238.50 | 596.50 | 985.50 | 4857.00 | |||||||||||||
1945 | 923.00 | 752.00 | 516.50 | 446.50 | 149.50 | 18.00 | 4.00 | 2.50 | 85.00 | 242.00 | 594.50 | 1025.00 | 4758.50 | |||||||||||||
1946 | 954.00 | 690.50 | 502.50 | 141.00 | 135.00 | 0.00 | z | 0.00 | 5.50 | 56.50 | 253.00 | 635.00 | 750.00 | 4123.00 | ||||||||||||
1947 | 1003.00 | 880.00 | 749.00 | 412.50 | 159.00 | 22.50 | 0.00 | 0.00 | 30.00 | 42.00 | g | 790.00 | 904.50 | 4950.50 | ||||||||||||
1948 | 1079.32 | a | 956.44 | c | 876.78 | a | 244.14 | a | 115.00 | 0.50 | 0.00 | 0.00 | 49.00 | 263.50 | 725.50 | 848.50 | 5158.68 | |||||||||
1949 | 1275.50 | 812.50 | 665.00 | 383.00 | 95.50 | 3.50 | 0.00 | 0.00 | 39.50 | 270.50 | 435.50 | 914.00 | 4894.50 | |||||||||||||
1950 | 969.78 | a | 661.00 | 680.00 | 344.00 | 103.50 | 15.00 | 2.00 | 10.50 | 48.00 | 105.00 | 674.50 | 902.00 | 4515.28 | ||||||||||||
1951 | 986.00 | 755.00 | 699.50 | 418.50 | 110.50 | 30.00 | 0.00 | 2.50 | 67.50 | 261.50 | 752.50 | 897.50 | 4981.00 | |||||||||||||
1952 | 738.00 | 664.93 | a | 692.50 | 329.00 | 101.50 | 0.00 | 4.00 | 0.00 | 32.00 | 279.50 | 710.00 | 1021.00 | 4572.43 | ||||||||||||
1953 | 734.00 | 741.00 | 451.00 | 389.00 | 203.50 | 0.00 | 3.50 | 0.00 | 19.00 | 226.50 | 628.00 | 965.50 | 4361.00 | |||||||||||||
1954 | 980.00 | 558.50 | 728.00 | 205.00 | 208.00 | 8.50 | 0.00 | 0.00 | 3.00 | 239.00 | 475.50 | 799.50 | 4205.00 | |||||||||||||
1955 | 916.00 | 836.00 | 600.50 | 231.50 | 45.00 | 22.00 | 0.00 | 0.00 | 52.00 | 188.00 | 666.50 | 862.50 | 4420.00 | |||||||||||||
1956 | 918.50 | 911.50 | 566.00 | 322.00 | 51.00 | 1.50 | 0.00 | 15.50 | 14.50 | 121.00 | 655.50 | 768.50 | 4345.50 | |||||||||||||
1957 | 1006.50 | 600.50 | 657.00 | 413.50 | 176.00 | 39.00 | 0.00 | 0.00 | 57.00 | 313.00 | 708.00 | 724.50 | 4695.00 | |||||||||||||
1958 | 938.00 | 797.00 | 940.00 | 421.00 | 75.00 | 14.00 | 0.00 | 0.00 | 26.50 | 230.50 | 568.50 | 904.50 | 4915.00 | |||||||||||||
1959 | 1088.00 | 759.50 | 641.00 | 362.50 | 73.00 | 2.00 | 1.00 | 0.00 | 37.00 | 336.00 | 737.50 | 786.50 | 4824.00 | |||||||||||||
1960 | 1031.00 | 933.50 | 766.00 | 198.00 | 93.00 | 1.50 | 8.00 | 0.00 | 30.50 | 230.50 | 548.50 | 928.00 | 4768.50 | |||||||||||||
1961 | 963.50 | 725.76 | c | 363.50 | p | 343.33 | c | 57.00 | s | 0.00 | z | 0.00 | s | 0.00 | z | 0.00 | z | 0.00 | z | 273.50 | t | 963.87 | d | 2996.46 | ||
1962 | 875.00 | f | 403.00 | h | 618.21 | e | 154.00 | k | 27.50 | n | 3.00 | t | 0.00 | z | 0.00 | z | 13.00 | h | 158.00 | 536.00 | 750.00 | 2062.21 | ||||
1963 | 1165.50 | 608.00 | 392.50 | 111.21 | a | 46.00 | 0.00 | 0.00 | 0.00 | 10.00 | 41.50 | 462.00 | 1008.50 | 3845.21 | ||||||||||||
1964 | 834.50 | 941.50 | 619.00 | 170.50 | 39.00 | 6.00 | 0.00 | 0.00 | 39.00 | 183.93 | a | 627.00 | e | 885.50 | 4345.93 | |||||||||||
1965 | 757.43 | a | 750.50 | 818.00 | 169.50 | 51.67 | a | 1.50 | 0.00 | 0.00 | a | 68.04 | b | 204.50 | 402.32 | b | 710.50 | 3933.96 | ||||||||
1966 | 1111.00 | 845.00 | 459.00 | 291.00 | 85.00 | 0.00 | t | 0.00 | 11.50 | 22.50 | 252.50 | 475.86 | a | 929.00 | 4482.36 | |||||||||||
1967 | 772.00 | 681.00 | 371.00 | 134.00 | 136.92 | a | 5.00 | 0.00 | 4.00 | 21.00 | 161.00 | 582.00 | 898.00 | 3765.92 | ||||||||||||
1968 | 841.50 | 786.00 | 481.00 | 259.14 | a | 131.00 | 0.00 | 0.00 | 2.50 | 14.00 | 161.00 | 643.50 | 945.50 | 4265.14 | ||||||||||||
1969 | 779.00 | 703.63 | a | 858.50 | 185.89 | b | 58.00 | 19.50 | 0.00 | 0.00 | d | 7.00 | 379.50 | 607.50 | 838.55 | a | 4437.07 | |||||||||
1970 | 987.00 | 598.00 | 751.50 | 315.00 | 56.66 | b | 32.50 | 3.00 | 0.00 | 40.86 | a | 347.72 | a | 566.00 | 690.50 | 4388.73 | ||||||||||
1971 | 892.50 | 732.50 | 525.00 | 253.00 | 73.50 | 0.00 | 0.00 | 0.00 | 96.00 | 183.00 | 539.00 | 816.00 | 4110.50 | |||||||||||||
1972 | 884.50 | 615.50 | 332.00 | 149.50 | 58.50 | 0.00 | 5.00 | 0.00 | 32.50 | 256.00 | 822.50 | 1027.50 | 4183.50 | |||||||||||||
1973 | 1034.00 | 675.50 | 527.50 | 391.50 | 96.00 | 0.50 | 0.00 | 0.00 | 61.50 | 140.00 | 484.00 | 848.00 | 4258.50 | |||||||||||||
1974 | 1017.50 | 587.50 | 372.50 | 170.50 | 18.50 | 1.00 | 0.00 | 0.00 | 87.50 | 169.00 | 562.00 | 865.50 | 3851.50 | |||||||||||||
1975 | 861.50 | 830.50 | 560.00 | 273.50 | 45.00 | 9.50 | 0.00 | 0.00 | 64.50 | 154.50 | 615.50 | 739.00 | 4153.50 | |||||||||||||
1976 | 837.00 | a | 472.50 | 484.00 | 184.50 | 132.00 | 0.00 | 0.00 | 0.00 | 40.50 | 388.00 | 674.50 | 797.00 | 4010.00 | ||||||||||||
1977 | 1120.50 | 576.00 | 470.50 | 187.00 | 9.00 | 0.00 | 0.00 | 0.00 | 1.00 | 163.00 | 531.50 | 756.50 | 3815.00 | |||||||||||||
1978 | 1118.00 | 1008.50 | 484.00 | 135.00 | 144.50 | 2.00 | 0.00 | 0.00 | 37.00 | 181.00 | 550.00 | 931.00 | 4591.00 | |||||||||||||
1979 | 1257.00 | 736.00 | 475.00 | 272.07 | a | 113.00 | 29.00 | 0.00 | 0.00 | 15.00 | 125.50 | 682.00 | 752.50 | 4457.07 | ||||||||||||
1980 | 904.00 | 738.50 | 563.00 | 299.00 | 109.50 | 1.00 | 0.00 | 0.00 | 22.00 | 226.50 | 571.00 | 716.50 | 4151.00 | |||||||||||||
1981 | 786.00 | 578.50 | 489.00 | 98.50 | 82.50 | 0.50 | 0.00 | 0.00 | 22.00 | 240.00 | 485.50 | 785.00 | 3567.50 | |||||||||||||
1982 | 846.50 | 846.50 | 517.50 | 250.50 | 51.00 | 15.00 | 0.00 | 0.00 | 8.50 | 196.50 | 573.50 | 852.00 | 4157.50 | |||||||||||||
1983 | 887.00 | 767.00 | 614.50 | 402.00 | 127.00 | 22.50 | 0.00 | 0.00 | 26.00 | 157.00 | 487.50 | 1246.50 | 4737.00 | |||||||||||||
1984 | 973.50 | 604.50 | 615.00 | 387.00 | 0.00 | z | 0.50 | 0.00 | 0.00 | 107.00 | 276.00 | 527.50 | 814.00 | 4305.00 | ||||||||||||
1985 | 1011.50 | 779.00 | 474.50 | 184.00 | 34.50 | 12.00 | 0.00 | 0.00 | 82.00 | 185.50 | 623.00 | 918.00 | 4304.00 | |||||||||||||
1986 | 605.00 | 634.50 | 301.00 | 126.00 | 45.50 | 0.00 | 0.00 | 1.00 | 9.00 | 236.00 | 594.50 | 830.00 | 3382.50 | |||||||||||||
1987 | 893.50 | 612.00 | 589.00 | 266.50 | 37.00 | 0.50 | 0.00 | 0.50 | 10.00 | 189.00 | 534.50 | 872.00 | 4004.50 | |||||||||||||
1988 | 1029.50 | 718.00 | 581.00 | 277.00 | 83.00 | 2.50 | 0.00 | 3.50 | 26.50 | 202.50 | 468.00 | 734.50 | 4126.00 | |||||||||||||
1989 | 714.50 | 924.00 | 416.50 | 192.50 | 55.00 | 18.00 | 0.00 | 0.00 | 85.00 | 160.50 | 441.00 | 997.00 | 4004.00 | |||||||||||||
1990 | 773.00 | 657.00 | 511.50 | 219.50 | 110.50 | 0.00 | 1.00 | 0.00 | 9.50 | 173.00 | 410.50 | 951.50 | 3817.00 | |||||||||||||
1991 | 981.50 | 485.50 | 399.00 | 179.00 | 32.00 | 0.00 | 0.00 | 0.00 | 30.50 | 215.50 | 636.50 | 751.00 | 3710.50 | |||||||||||||
1992 | 740.00 | 542.50 | 374.50 | 179.50 | 76.50 | 8.50 | 0.00 | 4.00 | 1.50 | 138.50 | 705.00 | 900.00 | 3670.50 | |||||||||||||
1993 | 1004.00 | 741.50 | 529.00 | 262.00 | 50.50 | 2.50 | 0.00 | 1.00 | 20.00 | 261.00 | 616.50 | 718.00 | 4206.00 | |||||||||||||
1994 | 827.00 | 759.50 | 483.60 | a | 212.50 | 61.50 | 0.00 | 0.00 | 0.00 | 29.50 | 160.00 | 504.00 | 636.50 | 3674.10 | ||||||||||||
1995 | 754.50 | 541.00 | 515.50 | 303.00 | 148.50 | 6.50 | 0.00 | 0.00 | 59.00 | 149.00 | 413.00 | 819.50 | 3709.50 | |||||||||||||
1996 | 842.50 | 601.50 | 578.50 | 189.50 | 15.50 | 0.00 | 4.00 | 0.00 | 38.00 | 174.00 | 516.00 | 789.50 | 3749.00 | |||||||||||||
1997 | 854.00 | 723.00 | 379.50 | 437.00 | 68.00 | 0.50 | 0.00 | 3.00 | 24.00 | 214.00 | 594.00 | 924.00 | 4221.00 | |||||||||||||
1998 | 726.50 | 586.00 | 636.50 | 286.00 | 12.50 | 14.50 | 0.00 | 0.00 | 2.00 | 90.50 | 362.50 | 767.50 | 3484.50 | |||||||||||||
1999 | 714.00 | 429.50 | 521.50 | 255.00 | 73.50 | 5.00 | 0.00 | 0.00 | 35.00 | 149.50 | 285.50 | 702.00 | 3170.50 | |||||||||||||
2000 | 695.00 | 0.00 | z | 367.00 | 141.00 | 35.50 | 1.00 | 0.00 | 0.00 | 28.50 | 97.00 | 602.50 | 886.00 | 2853.50 | ||||||||||||
2001 | 839.00 | 690.67 | a | 513.00 | 89.00 | 42.00 | 0.00 | 0.00 | 0.00 | 11.00 | 92.50 | 291.00 | 630.50 | 3198.67 | ||||||||||||
2002 | 736.50 | 605.50 | 486.00 | 149.50 | 37.00 | 0.00 | 0.00 | 0.00 | 1.50 | 0.00 | z | 0.00 | z | 846.00 | 2862.00 | |||||||||||
2003 | 723.00 | 692.50 | 417.50 | 164.50 | 27.00 | 6.50 | 0.00 | 1.00 | 19.50 | 0.00 | z | 0.00 | z | 0.00 | z | 2051.50 | ||||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 919.89 | 718.35 | 563.21 | 261.51 | 87.90 | 6.90 | 0.49 | 1.11 | 35.01 | 202.61 | 574.58 | 854.35 | 4205.01 | |||||||||||||
S.D. | 157.88 | 136.34 | 138.65 | 94.22 | 49.80 | 9.49 | 1.42 | 2.78 | 26.46 | 71.46 | 113.67 | 114.21 | 449.73 | |||||||||||||
SKEW | 0.65 | 0.29 | 0.40 | 0.16 | 0.73 | 1.48 | 3.29 | 3.33 | 0.91 | 0.59 | -0.08 | 0.65 | -0.18 | |||||||||||||
MAX | 1401.00 | 1044.50 | 940.00 | 446.50 | 224.23 | 39.00 | 8.00 | 15.50 | 107.50 | 404.50 | 874.00 | 1246.50 | 5158.68 | |||||||||||||
MIN | 605.00 | 429.50 | 301.00 | 89.00 | 9.00 | 0.00 | 0.00 | 0.00 | 0.50 | 41.50 | 285.50 | 630.50 | 3170.50 | |||||||||||||
NO YRS | 75 | 73 | 75 | 74 | 72 | 72 | 74 | 74 | 74 | 72 | 73 | 76 | 62 |